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AlterSendLocalSend
Free

The client is open source under Apache-2.0; no paid tier is mentioned on the homepage.

 Free

Free and open source under the Apache 2.0 licence, with no advertising or trackers.

Windows, macOS, Linux, Android, iOS, Web Windows, macOS, Linux, Android, iOS
  • Files go device to device with no copy left on a server
  • Recipients can download from a browser link without installing anything
  • Works completely offline: files never leave your local network
  • No account, no login and no server to configure
  • Both devices must be online at the same time for a direct transfer
  • Transfer speed depends on the sender's own connection
  • Both devices must be on the same network, and some guest or corporate networks block device discovery
  • It sends files, it does not keep folders in sync
Downloadable app, Web application Downloadable app
Open source Open source
License: Apache-2.0 License: Apache-2.0
No account needed No account needed
Not stated if it works offline Works offline

Checked October 2, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.